SEPTEMBER 17, 2026
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Case File

CVE-2026-86318

MEDIUM · CVSS 5.3 EPSS 0.45% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-07 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

The vulnerability affects the json-patch function in java-json-tools versions up to 1.13, specifically in the JsonMergePatch.fromJson method, which is susceptible to a stack-based buffer overflow due to improper input handling. This flaw can be exploited remotely, potentially leading to arbitrary code execution or application crashes. Organizations using this library should prioritize patching to mitigate the risk of exploitation, especially if they handle untrusted JSON input.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-86318
Severity
MEDIUM
CVSS
5.3
EPSS
0.45%
Java

Original NVD Description

A flaw has been found in java-json-tools json-patch up to 1.13. Affected is the function JsonMergePatch.fromJson of the file JsonMergePatchDeserializer.java. Executing a manipulation can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.